DE184371C - - Google Patents

Info

Publication number
DE184371C
DE184371C DENDAT184371D DE184371DA DE184371C DE 184371 C DE184371 C DE 184371C DE NDAT184371 D DENDAT184371 D DE NDAT184371D DE 184371D A DE184371D A DE 184371DA DE 184371 C DE184371 C DE 184371C
Authority
DE
Germany
Prior art keywords
same
machine
drilling
column
drill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT184371D
Other languages
German (de)
English (en)
Publication of DE184371C publication Critical patent/DE184371C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/64—Slitting machines guided solely by hand and either carried by hand or mounted on supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
DENDAT184371D Active DE184371C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE184371C true DE184371C (enrdf_load_stackoverflow)

Family

ID=448309

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT184371D Active DE184371C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE184371C (enrdf_load_stackoverflow)

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